From 5b05b5c147d9650e8accb4441e216c72a61f4859 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=96=E7=95=8C?= <i@sekai.icu>
Date: Mon, 25 Sep 2023 17:28:53 +0800
Subject: [PATCH] Fix socks5 handshake

---
 protocol/socks/handshake.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/protocol/socks/handshake.go b/protocol/socks/handshake.go
index c3556973..cec1bf82 100644
--- a/protocol/socks/handshake.go
+++ b/protocol/socks/handshake.go
@@ -171,6 +171,9 @@ func HandleConnection0(ctx context.Context, conn net.Conn, version byte, authent
 			if err != nil {
 				return err
 			}
+			if response.Status != socks5.UsernamePasswordStatusSuccess {
+				return E.New("socks5: authentication failed, username=", usernamePasswordAuthRequest.Username, ", password=", usernamePasswordAuthRequest.Password)
+			}
 		}
 		request, err := socks5.ReadRequest(conn)
 		if err != nil {